elementary analysis and nmr spectra 元素分析和核磁共振谱
These compounds were characterized by IR, 1HNMR and elementary analysis.
这些化合物均被1HNMR、IR和元素分析证实。
The structure of HAPS was identified by using IR, HNMR and elementary analysis.
经元素分析、红外光谱分析和核磁共振谱分析，确证了HAPS的结构。
The structure and composition of the copolymer were characterized by IR, NMR and elementary analysis.
用红外光谱、核磁共振、元素分析测定了共聚物的结构及组成。
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